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-rw-r--r--src/mesa/drivers/dri/i965/gen6_clip_state.c14
-rw-r--r--src/mesa/drivers/dri/i965/gen7_clip_state.c8
2 files changed, 19 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_clip_state.c b/src/mesa/drivers/dri/i965/gen6_clip_state.c
index 63c58656416..51ffbae279f 100644
--- a/src/mesa/drivers/dri/i965/gen6_clip_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_clip_state.c
@@ -30,6 +30,7 @@
#include "brw_defines.h"
#include "brw_util.h"
#include "intel_batchbuffer.h"
+#include "main/fbobject.h"
static void
upload_clip_state(struct brw_context *brw)
@@ -38,6 +39,9 @@ upload_clip_state(struct brw_context *brw)
struct gl_context *ctx = &intel->ctx;
uint32_t dw2 = 0;
+ /* _NEW_BUFFERS */
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+
/* CACHE_NEW_WM_PROG */
if (brw->wm.prog_data->barycentric_interp_modes &
BRW_WM_NONPERSPECTIVE_BARYCENTRIC_BITS) {
@@ -64,6 +68,13 @@ upload_clip_state(struct brw_context *brw)
dw2 |= (ctx->Transform.ClipPlanesEnabled <<
GEN6_USER_CLIP_CLIP_DISTANCES_SHIFT);
+ if (ctx->Viewport.X == 0 &&
+ ctx->Viewport.Y == 0 &&
+ ctx->Viewport.Width == fb->Width &&
+ ctx->Viewport.Height == fb->Height) {
+ dw2 |= GEN6_CLIP_GB_TEST;
+ }
+
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_CLIP << 16 | (4 - 2));
OUT_BATCH(GEN6_CLIP_STATISTICS_ENABLE);
@@ -71,7 +82,6 @@ upload_clip_state(struct brw_context *brw)
GEN6_CLIP_API_OGL |
GEN6_CLIP_MODE_NORMAL |
GEN6_CLIP_XY_TEST |
- GEN6_CLIP_GB_TEST |
dw2);
OUT_BATCH(U_FIXED(0.125, 3) << GEN6_CLIP_MIN_POINT_WIDTH_SHIFT |
U_FIXED(255.875, 3) << GEN6_CLIP_MAX_POINT_WIDTH_SHIFT |
@@ -81,7 +91,7 @@ upload_clip_state(struct brw_context *brw)
const struct brw_tracked_state gen6_clip_state = {
.dirty = {
- .mesa = _NEW_TRANSFORM | _NEW_LIGHT,
+ .mesa = _NEW_TRANSFORM | _NEW_LIGHT | _NEW_BUFFERS,
.brw = (BRW_NEW_CONTEXT),
.cache = CACHE_NEW_WM_PROG
},
diff --git a/src/mesa/drivers/dri/i965/gen7_clip_state.c b/src/mesa/drivers/dri/i965/gen7_clip_state.c
index e82a3390208..29a5ed57172 100644
--- a/src/mesa/drivers/dri/i965/gen7_clip_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_clip_state.c
@@ -91,6 +91,13 @@ upload_clip_state(struct brw_context *brw)
dw2 |= (ctx->Transform.ClipPlanesEnabled <<
GEN6_USER_CLIP_CLIP_DISTANCES_SHIFT);
+ if (ctx->Viewport.X == 0 &&
+ ctx->Viewport.Y == 0 &&
+ ctx->Viewport.Width == fb->Width &&
+ ctx->Viewport.Height == fb->Height) {
+ dw2 |= GEN6_CLIP_GB_TEST;
+ }
+
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_CLIP << 16 | (4 - 2));
OUT_BATCH(dw1);
@@ -98,7 +105,6 @@ upload_clip_state(struct brw_context *brw)
GEN6_CLIP_API_OGL |
GEN6_CLIP_MODE_NORMAL |
GEN6_CLIP_XY_TEST |
- GEN6_CLIP_GB_TEST |
dw2);
OUT_BATCH(U_FIXED(0.125, 3) << GEN6_CLIP_MIN_POINT_WIDTH_SHIFT |
U_FIXED(255.875, 3) << GEN6_CLIP_MAX_POINT_WIDTH_SHIFT |